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Tantalite-(Fe)

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SER728435

Tantalite-(Fe)

Description Tabs

Description
Locality: 
Grignaschi Quarry, Cosasca, Verbano-Cusio-Ossola Province, Piedmont, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.4 × 0.4 cm
Description

a black prismatic crystal of tantalite-Fe on pegmatite with beryl and garnet

Mineral Data
What's on the rock

Tantalite-(Fe)

Formula: 
FeTa2O6
Strunz: 
4.DB.35
Hardness: 
6.0 - 6.5
Streak: 
Black
Type Locality: 
Upper Bear Gulch, Tinton pegmatite District, Lawrence Co., South Dakota, USA
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